Parachute landing fallA parachute landing fall (PLF) is a safety technique that allows a parachutist to land safely and without injury. The technique is performed by paratroopers and recreational parachutists alike. The technique is used to displace the energy of the body contacting the earth at high speeds. The parachutist ideally lands facing the direction of travel with feet and knees together.
ParachuteA parachute is a device designed to slow an object's descent through an atmosphere by creating drag or aerodynamic lift. It is primarily used to safely support people exiting aircraft at height, but also serves various purposes like slowing cargo, aiding in space capsule recovery on Earth, landing spacecraft on other planets, and stabilizing vehicles or objects.
André-Jacques GarnerinAndré-Jacques Garnerin (French:; 31 January 1769 – 18 August 1823) was a French balloonist and the inventor of the frameless parachute. He was appointed Official Aeronaut of France. BiographyAndré-Jacques Garnerin was born in Paris. During the first phase of the French Revolutionary Wars (1792–1797), he was captured by British troops. Subsequently, he was turned over to the Austrians and held as a prisoner of war in Buda, Hungary, for three years.
Pilot chuteA pilot chute is a small auxiliary parachute used to deploy the main or reserve parachute. The pilot chute is connected by a bridle to the deployment bag containing the parachute. Pilot chutes are a critical component of all modern skydiving and BASE jumping gear. Pilot chutes are also used as a component of spacecraft such as NASA's Orion.
SmokejumperSkydiving wildland firefighters Fully outfitted smokejumpers boarding a Short C-23 Sherpa aircraft in Missoula, Montana, en route to a fire in the Idaho panhandle, July 1994 A smokejumper is a specially-trained wildland firefighter who provides an initial attack response on remote wildfires. They are inserted at the site of the fire by parachute.
Terminal velocityTerminal velocity is the maximum speed attainable by an object as it falls through a fluid (air is the most common example). It is reached when the sum of the drag force (Fd) and the buoyancy is equal to the downward force of gravity (FG) acting on the object. Since the net force on the object is zero, the object has zero acceleration.
Formation skydivingFormation skydiving, traditionally called "relative work" (RW) or "group freefall", is a discipline of sport parachuting where two or more participants intentionally maneuver to close proximity with each other in freefall before separating and deploying their parachutes.
United States Parachute AssociationThe United States Parachute Association (USPA) is a private sports governing body for the sport of skydiving in the United States. Its headquarters are located in Fredericksburg, Virginia.
BledBled (pronounced [ˈbléːt] ; German: Veldes, in older sources also Feldes) is a town on Lake Bled in the Upper Carniolan region of northwestern Slovenia. It is one of Slovenia's most visited tourist destinations. The town is the administrative seat of the Municipality of Bled.Vertical wind tunnelA vertical wind tunnel (VWT) is a wind tunnel that moves air up in a vertical column. Unlike standard wind tunnels, which have test sections that are oriented horizontally, as experienced in level flight, a vertical orientation enables gravity to be countered by drag instead of lift, as experienced in an aircraft spin or by a skydiver at terminal velocity.
Free fallIn classical mechanics, free fall is any motion of a body where gravity is the only force acting upon it. A freely falling object may not necessarily be falling down in the vertical direction. If the common definition of the word "fall" is used, an object moving upwards is not considered to be falling, but using scientific definitions, if it is subject to only the force of gravity, it is said to be in free fall.
Fédération Aéronautique InternationaleThe World Air Sports Federation (French: Fédération aéronautique internationale; FAI) is the world governing body for air sports, and also stewards definitions regarding human spaceflight. It was founded on 14 October 1905, and is headquartered in Lausanne, Switzerland. It maintains world records for aeronautical activities, including ballooning, aeromodeling, and unmanned aerial vehicles (drones), as well as flights into space.
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